Exercise rowing machine



FIG. 1 is a perspective view of an exercise rowing machine showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a rear elevational view thereof.

The bottom surface of the article is plain and unornamented. 

The ornamental design for the exercise rowing machine, as shown and described. 